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Finding the Fourth Proportional to 60,133.18, 90,230.90 and 43,629.43

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Solution

The fourth proportional to 60,133.18, 90,230.90 and 43,629.43 is: 65,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,133.18 : 90,230.90 = 43,629.43 : x
  2. Step 2: Convert to fraction form
    60,133.18/90,230.90 = 43,629.43/x
  3. Step 3: Cross multiply
    60,133.18x = 90,230.90 × 43,629.43
  4. Step 4: Simplify right side
    60,133.18x = 3,936,722,735.39
  5. Step 5: Solve for x
    x = 3,936,722,735.39/60,133.18
  6. Step 6: Final answer
    x = 65,466.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.